my $includetransp = $cgi->param('includetransp') // 1;
my $pos = Position->from_fen($fen);
-my ($json_root_pos, $root_aux_data) = get_json_move($pos, undef, $chld_in, $chld_out); # TODO: include previous hash if $includetransp == 0
-my $opening = $openings{$json_root_pos->{'opening_num'}} // 'A00: Start position';
+my ($json_root_pos, $root_aux_data) = get_json_move($pos, undef, $chld_in, $chld_out);
+my $opening = $openings{$json_root_pos->{'opening_num'}} // 'A00: Start position';
my @json_moves = ($json_root_pos);
my $root_game;
my $json_pos;
if ($includetransp) {
($json_pos, undef) = get_json_move($np, undef, $chld_in, $chld_out);
+
+ # See if this move exists only due to transpositions.
+ my ($alt_json_pos, undef) = get_json_move($np, $root_aux_data->{'pos_hash'}, $chld_in, $chld_out);
+ if (!defined($alt_json_pos)) {
+ $json_pos->{'transpose_only'} = 1;
+ }
} else {
($json_pos, undef) = get_json_move($np, $root_aux_data->{'pos_hash'}, $chld_in, $chld_out);
}
push @json_moves, $json_pos;
}
+# Get stats for the root position, for the human index.
+my $start_pos = Position->start_pos("white", "black");
+my ($json_start_pos, undef) = get_json_move($start_pos, 0, $chld_in, $chld_out);
+my $total_games = $json_start_pos->{'white'} + $json_start_pos->{'draw'} + $json_start_pos->{'black'};
+my $computer_games = $json_start_pos->{'computer'} * 1;
+
print $cgi->header(-type=>'application/json');
-print JSON::XS::encode_json({ moves => \@json_moves, opening => $opening, root_game => $root_game });
+print JSON::XS::encode_json({
+ moves => \@json_moves,
+ opening => $opening,
+ root_game => $root_game,
+ total_games => $total_games,
+ computer_games => $computer_games
+});
sub read_openings {
open my $fh, "../openings.txt"
sub get_json_move {
my ($pos, $filter_prev_pos_hash, $chld_in, $chld_out) = @_;
- my $hex = unpack('H*', $pos->bitpacked_fen);
+ my $bpfen_hex = unpack('H*', $pos->bitpacked_fen);
+ my $prev_pos_hash_hex = '';
if (defined($filter_prev_pos_hash)) {
- $hex .= unpack('H*', pack('S', $filter_prev_pos_hash));
+ $prev_pos_hash_hex .= unpack('H*', pack('S', $filter_prev_pos_hash));
}
- print $chld_in $hex, "\n";
+ print $chld_in $bpfen_hex, "\n", $prev_pos_hash_hex, "\n";
# Read the hash of this position.
chomp (my $pos_hash = <$chld_out>);
chomp (my $line = <$chld_out>);
if ($line eq '-') {
- return ({}, {});
+ warn "Missing pos '" . $pos->fen . "' " . $filter_prev_pos_hash;
+ return (undef, undef);
}
- my ($white, $draw, $black, $opening_num, $white_sum_elo, $black_sum_elo, $num_elo, $timestamp, $pgn_file_number, $pgn_start_position, @moves) = split / /, $line;
+ my ($white, $draw, $black, $computer, $opening_num, $white_sum_elo, $black_sum_elo, $num_elo, $timestamp, $pgn_file_number, $pgn_start_position, @moves) = split / /, $line;
my $json_pos = {
white => $white,
draw => $draw,
black => $black,
+ computer => $computer,
white_avg_elo => $num_elo == 0 ? undef : $white_sum_elo / $num_elo,
black_avg_elo => $num_elo == 0 ? undef : $black_sum_elo / $num_elo,
num_elo => $num_elo,